2011 - 9.2%

The 2011 9.2% is the baseline measurement.

2012 - 10.3%

The 2012 increase to 10.3% from 2011 represents a 1.1% increase YoY.

2013 - 9.1%

The 2013 decrease to 9.1% from 2012 represents a -1.2% decrease YoY.

2014 - 7.7%

The 2014 decrease to 7.7% from 2013 represents a -1.4% decrease YoY.

2015 - 6.6%

The 2015 decrease to 6.6% from 2014 represents a -1.1% decrease YoY.

2016 - 6.5%

The 2016 decrease to 6.5% from 2015 represents a -0.1% decrease YoY.

2017 - 6.8%

The 2017 increase to 6.8% from 2016 represents a 0.3% increase YoY.

2018 - 7.6%

The 2018 increase to 7.6% from 2017 represents a 0.8% increase YoY.

2019 - 5.2%

The 2019 decrease to 5.2% from 2018 represents a -2.4% decrease YoY.

2021 - 7.4%

The 2021 increase to 7.4% from 2019 represents a 2.2% increase YoY.

2022 - 6.9%

The 2022 decrease to 6.9% from 2021 represents a -0.5% decrease YoY.

2023 - 8.5%

The 2023 increase to 8.5% from 2022 represents a 1.6% increase YoY.