<Tr> <Td> Defense Budget (Billions) </Td> <Td> 266 </Td> <Td> 270 </Td> <Td> 271 </Td> <Td> 292 </Td> <Td> 304 </Td> <Td> 335 </Td> <Td> 362 </Td> <Td> 456 </Td> <Td> 491 </Td> <Td> 506 </Td> <Td> 556 </Td> <Td> 625 </Td> <Td> 696 </Td> <Td> 698 </Td> <Td> 721 </Td> <Td> 717 </Td> <Td> 681 </Td> <Td> 610 </Td> <Td> 614 </Td> <Td> 637 </Td> </Tr> <Tr> <Td> Total Budget (Trillions) </Td> <Td> 1.58 </Td> <Td> 1.64 </Td> <Td> 1.69 </Td> <Td> 1.78 </Td> <Td> 1.82 </Td> <Td> 1.96 </Td> <Td> 2.09 </Td> <Td> 2.27 </Td> <Td> 2.41 </Td> <Td> 2.58 </Td> <Td> 2.78 </Td> <Td> 2.86 </Td> <Td> 3.32 </Td> <Td> 4.08 </Td> <Td> 3.48 </Td> <Td> 3.51 </Td> <Td> 3.58 </Td> <Td> 3.48 </Td> <Td> 3.64 </Td> <Td> 3.97 </Td> </Tr> <Tr> <Td> Defense Budget% </Td> <Td> 16.8 </Td> <Td> 16.5 </Td> <Td> 16.0 </Td> <Td> 16.4 </Td> <Td> 16.7 </Td> <Td> 17.1 </Td> <Td> 17.3 </Td> <Td> 20.1 </Td> <Td> 20.4 </Td> <Td> 19.6 </Td> <Td> 20.0 </Td> <Td> 21.9 </Td> <Td> 20.9 </Td> <Td> 17.1 </Td> <Td> 20.7 </Td> <Td> 20.4 </Td> <Td> 19.1 </Td> <Td> 17.5 </Td> <Td> 16.8 </Td> <Td> 16.0 </Td> </Tr> <Tr> <Td> Defense Spending% Change </Td> <Td> - 0.1 </Td> <Td> + 1.6 </Td> <Td> + 0.2 </Td> <Td> + 7.8 </Td> <Td> + 4.0 </Td> <Td> + 10.1 </Td> <Td> + 8.2 </Td> <Td> + 26.0 </Td> <Td> + 7.6 </Td> <Td> + 3.1 </Td> <Td> + 10.0 </Td> <Td> + 12.5 </Td> <Td> + 11.3 </Td> <Td> + 0.2 </Td> <Td> + 3.4 </Td> <Td> - 0.6 </Td> <Td> - 5.0 </Td> <Td> - 10.5 </Td> <Td> + 0.6 </Td> <Td> + 3.8 </Td> </Tr>

What is the percentage of military spending in the us budget