Data export API

Files:

full_data_w19_1996.html
dump_w2_1997.html
new_users_w32_1998.html
registrations_w14_1999.html
passwords_w10_2001.html
users_w22_2003.html
food_w51_2005.html
data_w15_2006.html
extensions_w17_2007.html
espionage_w40_2009.html