2011 - 13%

The 2011 13% is the baseline measurement.

2012 - 12.7%

The 2012 decrease to 12.7% from 2011 represents a -0.3% decrease YoY.

2013 - 13.7%

The 2013 increase to 13.7% from 2012 represents a 1.0% increase YoY.

2014 - 12.2%

The 2014 decrease to 12.2% from 2013 represents a -1.5% decrease YoY.

2015 - 12.5%

The 2015 increase to 12.5% from 2014 represents a 0.3% increase YoY.

2016 - 10.7%

The 2016 decrease to 10.7% from 2015 represents a -1.8% decrease YoY.

2017 - 11.2%

The 2017 increase to 11.2% from 2016 represents a 0.5% increase YoY.

2018 - 9.3%

The 2018 decrease to 9.3% from 2017 represents a -1.9% decrease YoY.

2019 - 5.8%

The 2019 decrease to 5.8% from 2018 represents a -3.5% decrease YoY.

2021 - 9.3%

The 2021 increase to 9.3% from 2019 represents a 3.5% increase YoY.

2022 - 7.8%

The 2022 decrease to 7.8% from 2021 represents a -1.5% decrease YoY.

2023 - 8.2%

The 2023 increase to 8.2% from 2022 represents a 0.4% increase YoY.