Refer to the following table when answering the following questions.

Table $2\mathrm{.}1$: U$.$S$.2015$ and $2018$ Expenditures $($$ billions$)$

$20152018$

Personal consumption expenditures $12,28014,000$

Motor vehicles and parts $470520$

Food and beverages $9201,000$

Housing and utilities $2,2602,570$

Health care $2,0602,350$

Gross private domestic investment $3,2203,630$

Structures $570630$

Equipment $1,1201,220$

Intellectual property products $760930$

Residential $630790$

Net exports of goods and services $-520-640$

Exports $2,2702,510$

Imports $2,7903,150$

Government Purchases $3,2403,590$

National defense $730790$

Consider Table $2\mathrm{.}1.$ Total GDP in $2015$ was about $\_\_\_\_\_\_\_\_$ billion.

Group of answer choices

$$32,800$

$$18,220$

$$19,620$

$$14,580$

$$18,740$