2023
​City of Malibu

2022
City of Chico

2021
City of San Diego

2020
City of Jurupa Valley

2019
City of Pasadena

2018
City of Lake Forest

2017
City of San Jose

2016
City of Sacramento

2015
City of Newport Beach

2014
City of Glendale

2013
City of Riverside

2012
County of Butte

2011
City of Roseville

2009
City of Orange

2007
City of Livermore

2006
City of Costa Mesa

2005
City of Anaheim

2004
City of Riverside

2003
City of Corona

2002
City of Santa Clara

2001
City of San Jose

2000
City of Fremont

1999
City of Los Angeles

1998
City of San Leandro