Table 2: US average software development productivity of software projects from 1960 to 2010 (FP per staff month, months needed for a10-FP project).

Year	Function Point (FP) per Staff Month	Staff Months Needed to Complete a 10-FP Software Project
1960	1.25	8.0
1965	1.93	5.2
1970	2.63	2.6
1975	4.83	2.07
1980	5.96	1.67
1985	7.75	1.29
1990	11.75	0.85
1995	14.00	0.71
2000	17.43	0.57
2005	19.25	0.52
2010	20.93	0.48