2011 - 19.4%

The 2011 19.4% is the baseline measurement.

2012 - 13.8%

The 2012 decrease to 13.8% from 2011 represents a -5.6% decrease YoY.

2013 - 26.1%

The 2013 increase to 26.1% from 2012 represents a 12.3% increase YoY.

2014 - 21.4%

The 2014 decrease to 21.4% from 2013 represents a -4.7% decrease YoY.

2015 - 17%

The 2015 decrease to 17% from 2014 represents a -4.4% decrease YoY.

2016 - 17.2%

The 2016 increase to 17.2% from 2015 represents a 0.2% increase YoY.

2017 - 12.9%

The 2017 decrease to 12.9% from 2016 represents a -4.3% decrease YoY.

2018 - 20.3%

The 2018 increase to 20.3% from 2017 represents a 7.4% increase YoY.

2019 - 20.3%

The 2019 decrease to 20.3% from 2018 represents a 0.0% decrease YoY.

2023 - 13.8%

The 2023 decrease to 13.8% from 2019 represents a -6.5% decrease YoY.