2011 - 12.3%

The 2011 12.3% is the baseline measurement.

2012 - 10.3%

The 2012 decrease to 10.3% from 2011 represents a -2.0% decrease YoY.

2013 - 9.5%

The 2013 decrease to 9.5% from 2012 represents a -0.8% decrease YoY.

2014 - 13.2%

The 2014 increase to 13.2% from 2013 represents a 3.7% increase YoY.

2015 - 9.7%

The 2015 decrease to 9.7% from 2014 represents a -3.5% decrease YoY.

2016 - 8.3%

The 2016 decrease to 8.3% from 2015 represents a -1.4% decrease YoY.

2017 - 9.7%

The 2017 increase to 9.7% from 2016 represents a 1.4% increase YoY.

2018 - 7.1%

The 2018 decrease to 7.1% from 2017 represents a -2.6% decrease YoY.

2019 - 11.9%

The 2019 increase to 11.9% from 2018 represents a 4.8% increase YoY.

2021 - 12.1%

The 2021 increase to 12.1% from 2019 represents a 0.2% increase YoY.

2022 - 8.2%

The 2022 decrease to 8.2% from 2021 represents a -3.9% decrease YoY.

2023 - 8.8%

The 2023 increase to 8.8% from 2022 represents a 0.6% increase YoY.