Subject
environmental protection
population
building
62
labour market
60
national income accounting
60
traffic
60
agriculture
48
health
44
foreign trade
42
training, education
42
wages
18
finance
16
forestry
16
price
16
trade
16
agronomy
14
earth atmosphere
5
energy resource
5
nutrition
5
ocean
5
resource assessment
5
water resource
5
demography
2
health care
2
industry
2
climatic change
1