Amtrak Cascades
Ridership
Table:
Year

2005

2006

2007

2008

2009

2010

2011

2012

2013

2014

2015

2016

Ridership

636,092

629,996

676,765

774,531

761,610

838,251

847,709

836,000

807,000

782,519

751,148

792,481

YoY Diff.

33,033

−6,096

46,769

97,766

−12,921

76,641

9,458

−11,700

−29,000

−26,000

−31,371

41,333

YoY Diff. %

5.5%

−1.0%

7.4%

14.4%

−1.7%

10.1%

1.1%

−1.4%

−3.5%

−3.2%

−4.0%

5.5%

Reviewing the tabular data covering 'Amtrak Cascades' (see 'Ridership'), summarise the highlighted cells in a single sentence and format it within the following JSON object {"answer": "YOUR ANSWER"}.