Well, if you need a free service that provide proxy list better than HMA premium account, please check out this:
Download proxy list by country:
Code:
http://gatherproxy.com/proxylistbycountry
Download proxy list by level:
Code:
http://gatherproxy.com/anonymousproxylist
Socks list:
Code:
http://gatherproxy.com/sockslist
Web-proxy list:
Code:
http://gatherproxy.com/webproxylist