Nationally, the 10-year trends in the total amount and share of business R&D performance paid for by companies also showed increasing activity. From 2009 to 2018, total business R&D increased in the U.S. by 56.2 percent — more than $158.6 billion. As seen in the interactive map below, these 10-year trends vary at the state level. The map shows the average annual percent change in the shares of business R&D paid for by companies was the greatest in Arkansas (6.6 percent), the District of Columbia (4.3 percent), Utah (3 percent), Alaska (2.6 percent), and Mississippi (2.4 percent).
For details: https://ssti.org/blog/useful-stats-state-business-rd-performance-paid-companies-2009-2018