Add and link NAVIGATE variables

Add missing NAVIGATE variables and add "navigate" value where applicable

definitions/variable/industry/tag_accounting_types.yaml

@@ -2,6 +2,8 @@
     - Volume:
         description: volume in mass units
         unit: Mt/yr
+        navigate: "|Volume"
     - Value:
         description: value in USD
-        unit: USD_2010/yr
+        unit: USD_2010/yr
+        navigate: ""

definitions/variable/industry/tag_industry_sectors.yaml

@@ -22,5 +22,5 @@
         description: industry sectors categorized as ISIC Rev. 4 Divisions 17 and 18
     - Textile and leather:
           description: industry sectors categorized as ISIC Rev. 4 Divisions 13-15
-    - Other:
+    - Other Sector:
         description: industry sectors categorized as ISIC Rev. 4 Divisions 22, 31 and 32

definitions/variable/industry/trade.yaml

@@ -1,40 +1,59 @@
+- Export|Industry [Value]:
+    description: total export of industrial commodities
+    unit: USD_2010/yr
+    navigate: Export|Industry
+
 - Export|Industry|{Industry Sector} [{Accounting Type}]: # ???: do we need this aggregate?
     description: export of industrial commodities by sector
     unit: "{Accounting Type}"
+    navigate: Export|Industry|{Industry Sector}{Accounting Type}
 
 - Export|Industry|Iron and Steel|{Iron Commodity} [{Accounting Type}]:
     description: export of {Iron Commodity}
     unit: "{Accounting Type}"
+    navigate: Export|Industry|Iron and Steel|{Iron Commodity}{Accounting Type}
 - Export|Industry|Non-Metallic Minerals|{Non-Metallic Minerals Commodity} [{Accounting Type}]:
     description: export of {Non-Metallic Minerals Commodity}
     unit: "{Accounting Type}"
+    navigate: Export|Industry|Non-Metallic Minerals|{Non-Metallic Minerals Commodity}{Accounting Type}
 - Export|Industry|Non-Ferrous Metals|{Non-Ferrous Metals Commodity} [{Accounting Type}]:
     description: export of {Non-Ferrous Metals Commodity}
     unit: "{Accounting Type}"
+    navigate: Export|Industry|Non-Ferrous Metals|{Non-Ferrous Metals Commodity}{Accounting Type}
 - Export|Industry|Chemicals|{Chemicals Commodity} [{Accounting Type}]:
     description: export of {Chemicals Commodity}
     unit: "{Accounting Type}"
+    navigate: Export|Industry|Chemicals|{Chemicals Commodity}{Accounting Type}
 - Export|Industry|Pulp and Paper|{Pulp and Paper Commodity} [{Accounting Type}]:
     description: export of {Pulp and Paper Commodity}
     unit: "{Accounting Type}"
 
 
+- Import|Industry [Value]:
+    description: total import of industrial commodities
+    unit: USD_2010/yr
+    navigate: Import|Industry
+
 - Import|Industry|{Industry Sector} [{Accounting Type}]: # ???: do we need this aggregate?
     description: total import of commodities by sector
     unit: "{Accounting Type}"
+    navigate: Import|Industry|{Industry Sector}{Accounting Type}
 
 - Import|Industry|Iron and Steel|{Iron Commodity} [{Accounting Type}]:
     description: import of {Iron Commodity}
     unit: "{Accounting Type}"
 - Import|Industry|Non-Metallic Minerals|{Non-Metallic Minerals Commodity} [{Accounting Type}]:
     description: import of {Non-Metallic Minerals Commodity}
     unit: "{Accounting Type}"
+    navigate: Import|Industry|Non-Mettalic Minerals|{Non-Metallic Minerals Commodity}{Accounting Type}
 - Import|Industry|Non-Ferrous Metals|{Non-Ferrous Metals Commodity} [{Accounting Type}]:
     description: import of {Non-Ferrous Metals Commodity}
     unit: "{Accounting Type}"
+    navigate: Import|Industry|Chemicals|{Non-Ferrous Metals Commodity}{Accounting Type}
 - Import|Industry|Chemicals|{Chemicals Commodity} [{Accounting Type}]:
     description: import of {Chemicals Commodity}
     unit: "{Accounting Type}"
+    navigate: Export|Industry|Chemicals|{Chemicals Commodity}{Accounting Type}
 - Import|Industry|Pulp and Paper|{Pulp and Paper Commodity} [{Accounting Type}]:
     description: import of {Pulp and Paper Commodity}
     unit: "{Accounting Type}"