Wood volumes damaged by mass mortality of oak trees in Japan

[Update: 2019-10-19] FY2018 Data are added.Wood volumes damaged by mass mortality of oak trees in Japan from 2008 to 2018 (fiscal year).Data are derived from the Forestry Agency of Japan.- http://www.rinya.maff.go.jp/j/press/hogo/attach/pdf/181107-2.pdf- http://www.rinya.maff.go.jp/j/press/hogo/pdf/130827-05.pdf- http://www.rinya.maff.go.jp/j/press/hogo/attach/pdf/191018-3.pdfNo value denotes no damage. The value "0.0" denotes value less than 0.05 and larger than 0.A sample R code is available.https://gist.github.com/ito4303/af39934cf7a5d5da2f0b84d9722942c0Data descriptionPrefCode: Prefecture Code defined in the Japan Industrial Standard JIS X0401.Name: Prefecture Name (in Japanese).FY2008–FY2018: Damaged wood volume (1000 m3) for each fiscal year (April to March).