Research grant funding for HPSR in current and 2010 US$1.

1Amounts in 2000 and 2008 US dollars were converted to 2010 US$ using GDP deflators to account for inflation.2Number of observations represents HPSR funded projects not the number of institutions included in the survey.3Percentages sum to more than 100% as some projects are funded from multiple sources.4Percentages sum to more than 100% as some projects have collaborations with more than one entity.