Data export API

Files:

full_data_w10_1996.html
export_w13_1997.html
dump_w12_1999.html
new_users_w25_2000.html
registrations_w37_2003.html
users_w50_2004.html
food_w32_2005.html
data_w35_2007.html
extensions_w42_2008.html
espionage_w42_2010.html