Planetary Exploration Budget Dataset This link opens in a new windowThe Planetary Science Budget Dataset integrates the spending history, by year, of every NASA planetary science mission and related activities. This integrated, annualized dataset enables improved adjustments for inflation and allows direct comparisons between past and current planetary exploration efforts within the United States. It also enables analysis of shifting national priorities in space exploration, spending by destination, roles of major programs, research, launch costs, and more.
The dataset is hosted as a Google Spreadsheet that can be viewed and downloaded in a variety of formats by anyone, for free.