No, these figures are barring the IT sector. For the IT sector, it was slightly higher and is as follows:
Min - 14% to 16%
Avg - 18% to 22%
Max - 27% to 32% (with an additional 2% to 4% for top performers)
The variation is due to the company size, performance, as well as the ranking of the company. For companies like Infosys, Wipro, Sapient, and Microsoft, the percentages would be slightly higher. This is followed by HCL, NIIT with slightly lower percentages, and then slightly unknown companies and so on...