2015

$6.6 billion

Source: Forbes

2016

$3.5 billion

Source: Forbes

2017

$5.8 billion

Source: Forbes

2018

$9.7 billion

Source: Forbes

2019

$8.7 billion

Source: Forbes

2020

$8.9 billion

Source: Forbes

2021

$50.5 billion

Source: Forbes

2022 (Current)

$153.2 billion

Source: Forbes