This link is taking you to another site. Make sure it’s a site you trust, and click the link to continue:
https://www.oecd-ilibrary.org/sites/9e2e1412-en/1/3/2/index.html?itemId=%2Fcontent%2Fpublication%2F9e2e1412-en&_csp_=c0bff5d25d59af509ec9e358fde89bc6&itemIGO=oecd&itemContentType=book#figure-d1e1329-61ee514777