And so, after three years of a four-and-a-half-year stint, we looked back and we looked over and found out that we were at a 40-year historical low: our crime numbers, our homicides -- everything had dropped down, back to the 1970s.
所以，在我四年半任期 的第三个年头， 我们通过回顾和探索， 让我们的犯罪数目，谋杀案数量 处于四十年来的史上最低点， 就像七十年代一样。