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Size is measured in function points The four main function point counting approaches represented in the repository are IFPUG, COSMIC, FiSMA, and NESMA Other approaches represented in the repository include Mark II and Feature Points, but there are few such projects, and very few have been contributed to the repository in recent years IFPUG projects dominate the repository The numbers of COSMIC, FiSMA, and NESMA projects are steadily increasing The following tables and histograms show the range of project sizes for each of these four function point counting approaches (Projects sized with other approaches, or that have low data quality ratings, are not included)

Appendix A:

Projects sized with outdated versions of IFPUG function points (IFPUG 2, IFPUG 3) are excluded from the figures that follow The table shows the sizes (in UFPs) of projects sized with IFPUG function points that are known or presumed to have been sized using CPM 40 or later

40% 35% Percent of Projects (UFPs) 30% 25% 20% 15% 10% 5% 0%

9 1 49

Size in IFPUG 4 Function Points 0 to 99 100 to 199 200 to 299 300 to 399 400 to 499 500 to 599 600 to 699 700 to 799 800 to 899 900 to 999 1000 to 1499 1500 or more Total

Projects (UFPs) 818 576 360 220 155 89 70 65 35 37 106 138 2669

Percent (UFPs) 306% 216% 135% 82% 58% 33% 26% 24% 13% 14% 40% 52%

Projects (AFPs) 1108 740 442 282 173 103 76 82 52 36 123 162 3379

Percent (AFPs) 328% 219% 131% 83% 51% 30% 22% 24% 15% 11% 36% 48%

Smaller projects are more common Size ranges from 3 to 16,148 UFPs (3 to 20,000 AFPs) The median size is 186 UFPs (171 AFPs) For enhancement projects, the range is 3 to 7,134 UFPs with a median of 125 UFPs (3 to 20,000 AFPs with a median of 119 AFPs) For new developments, the range is 6 to 16,148 UFPs with a median of 312 UFPs (6 to 16,148 AFPs with a median of 311 APFs)

50% 45% 40% Percent of Projects 35% 30% 25% 20% 15% 10% 5% 0%

Size in COSMIC Functional Size Units 0 to 99 100 to 199 200 to 299 300 to 399 400 to 499 500 to 599 600 to 699 700 to 799 800 to 899 900 to 999 1000 to 1499 1500 or more Total

49 15 9 00 +

99 8

Percent 439% 203% 122% 57% 45% 30% 21% 27% 09% 09% 18% 21%

Appendix A:

Again, smaller projects are much more common Size ranges from 5 to 2,090 cfsu The median size is 122 cfsu For enhancement projects the range is 3 to 2,003 cfsu (median 95) For new developments the range is 8 to 1,670 cfsu (median 181) (The 2,090 cfsu project is one of a small number of redevelopments)

30% 25% Percent of Projects (UFPs) 20% 15% 10% 5% 0%

9 1 49

Size in NESMA Function Points 0 to 99 100 to 199 200 to 299 300 to 399 400 to 499 500 to 599 600 to 699 700 to 799 800 to 899 900 to 999 1000 to 1499 1500 or more Total

Projects (UFPs) 32 33 12 23 7 7 2 2 3 0 5 4 130

Percent (UFPs) 246% 254% 92% 177% 54% 54% 15% 15% 23% 00% 38% 31%

Projects (AFPs) 32 33 12 23 7 7 1 3 3 0 5 4 130

Percent (AFPs) 246% 254% 92% 177% 54% 54% 08% 23% 23% 00% 38% 31%

Smaller projects are more common, as usual, but there appears to be a broader spread than with the IFPUG or COSMIC approaches Size ranges from 14 to 1,924 UFPs (14 to 1,828 AFPs) The median size is 206 UFPs (205 AFPs) For enhancement projects, the range is 28 to 1,468 UFPs with a median of 198 UFPs (28 to 1,468 AFPs with a median of 196 AFPs) For new developments, the range is 14 to 1,924 UFPs with a median of 230 UFPs (14 to 1,828 AFPs with a median of 230 APFs)