Last October a website called BTCBurns.cf identified 397 burn addresses containing 2,657.8686 BTC lost forever. It has gone offline. Since it stopped keeping track 26.04 additional bitcoins have been sent to these addresses.

The total number of unspendable bitcoins is now 2,771.4086.

http://bitcoinwhoswho.com/blog/2016/12/21/btc-burn-addresses/