question: in 2017, how many perentages points did applied research activities account of total u.s. r&d expenditures?
table.cells: type of work 2000 2010 2012 2013 2014 2015 2016 2017a 2018b
table.cells: current $billions
table.cells: all r&d 267.9 406.6 433.6 454 475.4 493.7 515.6 547.9 580
table.cells: basic research 42 76 73.4 78.6 82.1 83.5 88.6 91.5 96.5
table.cells: applied research 56.5 79.2 87 88.2 91.8 97.2 104.8 108.8 115
table.cells: experimental development 169.4 251.4 273.3 287.1 301.5 312.9 322.2 347.6 368.5
table.cells: constant 2012 $billions
table.cells: all r&d 343.2 423 433.6 446.1 458.7 471.4 487.4 508.3 525.3
table.cells: basic research 53.8 79.1 73.4 77.2 79.3 79.8 83.8 84.8 87.4
table.cells: applied research 72.4 82.4 87 86.7 88.6 92.9 99.1 100.9 104.1
table.cells: experimental development 217 261.6 273.3 282.2 290.9 298.8 304.5 322.5 333.8
table.cells: percent distribution
table.cells: all r&d 100 100 100 100 100 100 100 100 100
table.cells: basic research 15.7 18.7 16.9 17.3 17.3 16.9 17.2 16.7 16.6
table.cells: applied research 21.1 19.5 20.1 19.4 19.3 19.7 20.3 19.9 19.8
table.cells: experimental development 63.2 61.8 63 63.3 63.4 63.4 62.5 63.4 63.5