I’m wondering what the time schedule is for release of the 1860-1930 complete data sets. The website states that “preliminary” data will be available beginning in “late 2014.”
There is no official release date for the 1860-1930 data at the moment. However, the plan is to start releasing preliminary files (likely starting with 1930 and going backwards, but this is not certain) in 2015 and the releases will be spread out over the following 4 years. We also plan to release the 1940 100% data within the next two months.