BitcoinTalk#4From:satoshiSubject:Re: New web service: obtain dump of bitcoin block NNNNDate:۵ شهریور ۱۳۸۹ ساعت ۱۶:۱۳:۱۶ (UTC)That's kind of interesting as an upside-down bar chart of how many blocks were produced each day. The target is 144 blocks per day.