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Table 1 Analysed data

From: Co-occurrence network of TV advertisements revealing Japanese lifestyle

Year # commercials # co-occurrence keywords per commercial # categories # subcategories
2006 1,591,712 3.30 39 132
2007 1,610,762 3.51 39 129
2008 1,590,339 3.64 40 129
2009 1,592,488 3.81 40 129
2010 1,652,888 4.29 40 130
2011 1,657,522 4.42 40 130
2012 1,676,052 4.60 40 129
2013 1,676,414 4.69 38 128
2014 1,672,136 4.71 38 129
2015 1,683,645 5.42 40 129
2016 1,700,535 6.06 39 129
2017 1,682,171 6.57 39 130
2018 1,672,548 7.29 38 131
2019 1,657,577 7.58 37 128
2020 804,827 7.37 37 128
  1. The number of commercials, the mean number of co-occurrence keywords per commercial, and the numbers of categories and subcategories are exhibited for each year