Release

Year

Number of files

Percentage of change prone files

Eclipse 2.0

2002

5016

74%

Eclipse 2.1

2003

6494

89%

Eclipse 3.0

2004

9547

72%

Europa

2007

31,484

38%

Ganymede

2008

32,648

31%

Galileo

2009

22,154

17%

Helios

2010

32,513

14%