Datasets:
| Year,Goods-related services,Transportation services,Travel,Other commercial services | |
| 2019,3.9%,17%,23.8%,55.4% | |
| 2018,3.9%,17.4%,24%,54.7% | |
| 2017,3.6%,17.4%,24.3%,54.6% | |
| 2016,3.5%,17.5%,24.9%,54.1% | |
| 2015,3.4%,18.5%,24.6%,53.5% | |
| 2014,3.3%,19.5%,24.4%,52.7% | |