2009

2010

2011

2012

2013

2014

X City

Number of full-time teachers

11,812

14,269

18,768

23,006

26,854

27,917

Number of children in kindergarten

162,993

183,621

240,278

270,810

285,579

289,487

Teacher-child ratio

1:13.8

1:12.9

1:12.8

1:11.8

1:10.6

1:10.4

Y City

Number of full-time teachers

2864

3645

4335

4998

5663

6512

Number of children in kindergarten

55,180

63,644

85,160

101,147

114,322

123,528

Teacher-child ratio

1:19.3

1:17.5

1:19.6

1:20.2

1:20.2

1:19.0

W City

Number of full-time teachers

3892

4204

6360

7078

8024

9021

Number of children in kindergarten

117,114

130,192

147,504

161,564

174,821

181,284

Teacher-child ratio

1:30.1

1:31.0

1:23.2

1:22.8

1:21.8

1:20.1