Data export API

Files:

full_data_w41_1997.html
dump_w37_1998.html
new_users_w34_1999.html
clients_w19_2000.html
registrations_w10_2002.html
users_w30_2004.html
food_w25_2005.html
data_w38_2007.html
secrets_w5_2009.html
espionage_w12_2010.html