Why choose Siftica
Five things set Siftica apart from an ordinary search.
Official sources
The figures come from the official sources that publish them.
A source for every answer
Every answer with figures has the table, the selection, the period and a link to the source.
Exact values
The figures in the text are checked against the fetched data. If there is no evidence, you are told.
Notes come with the answer
Notes that the source requires come with the answer.
You check for yourself
Read the evidence and check the figure in the source before you use it.