The Israel Defense Forces do not target civilians. Hamas targets Israel. And yet…

Number of Israelis killed by fire from Gaza between January 1st 2012 and November 11th 2012: 1
(Source: Wikipedia)

Number of Palestinians in Gaza killed by Israeli fire during the same period: 78
(Source: United Nations)

Number of Israelis killed by fire from Gaza, November 13th-19th 2012: 3
(Source: press reports)

Number of Palestinians in Gaza killed by Israeli fire, November 13th-19th: 95
(Source: IDF) …

Total number of Israelis killed by rocket, mortar or anti-tank fire from Gaza since 2006: 47
(Source: Wikipedia. This is disputed; another source says 26)

Number of Palestinians in Gaza killed by Israeli fire from April 1st 2006 to July 21st 2012: 2,879
(Source: United Nations)

The whole tragically long list is at The Economist.