wdt_ID	Series	Years: From	Years: To	Number of Countries	Unit	Industry Classification	Number of Goods
1	CIF/FOB shipping cost margin	1995	1995	150	da	da
2	GDP per capita	1950	1995	150	Constant	da
3	Hydrocarbons deposits	1993	1993	150	da	da
4	Land area			150	km2	da
5	Landlocked			150	0/1	da
6	Life expectancy at birth	1996	1996	150	da	da
7	Malaria index	1966	1994	150	da	da
8	Minimum distance to a capital-supplier region			150	km	da
9	Opennes	1950	1995	150	da	da
10	Population	1997	1997	150	N	da