Source: JackF / iStock
1. Bicycles and accessories
> 2017 spending: $53.28 billion
> Share of total expenditure: 0.04%
> 1-year change: -2.33%
> 10-year change: +18.21%
Source: AntonioGuillem / iStock
2. Video media rental
> 2017 spending: $59.36 billion
> Share of total expenditure: 0.05%
> 1-year change: +6.79%
> 10-year change: -41.65%
24/7 Wall St.
Source: guruXOOX / iStock
3. Museums and libraries
> 2017 spending: $73.19 billion
> Share of total expenditure: 0.06%
> 1-year change: +3.60%
> 10-year change: +3.95%
Source: tataks / iStock
4. Postal services
> 2017 spending: $86.64 billion
> Share of total expenditure: 0.07%
> 1-year change: -5.17%
> 10-year change: -38.89%
Source: itakdalee / iStock
5. Residential mental health and substance abuse treatment
> 2017 spending: $94.81 billion
> Share of total expenditure: 0.07%
> 1-year change: -1.30%
> 10-year change: +34.79%
