POS centralizes wealth over time.

POW distributes wealth over time.

Percentage of Wealth Held by Top 1%, by Year:

- 1990: 23.5%

- 1995: 28.2%

- 2000: 27.9%

- 2002: 25.6%

- 2004: 27.4%

- 2006: 28.9%

- 2008: 28.4%

- 2010: 28.3%

- 2012: 29.6%

- 2014: 30.6%

- 2016: 31.0%

- 2018: 30.7%

- 2020: 30.7%

- 2022: 32.3%