tech industry , and you can see the growth in mean annual salary here from $102,096 in 2012 to 126 salzer -- personal-care and service occupations, these will be home health care workers, childcare workers, those types of jobs. they had a decline in their wages. the annual mean in 2012 was 33,992. it went down to 31,943 in 2017. a decrease of 6%, even, though the number of jobs has increased same idea here with the multiples shown at the bottom. the difference between these two groups has increased from the multiple of three in 2012, to a multiple of four in 2017. this table has a lot of information on it. i will highlight a few things, but it is showing the top and bottom five wage occupation categories. we have management at the top, personal-care and service at the bottom, but another thing that was pointed out, and this is the economic prosperity strategy study that spurred -- that was conducted a couple years ago, and they tracked the decline of low-income wages relative to high income in their study, but another points they made is the middle income type jobs which were decreasing.