Many of you have probably noticed that my posting had become somewhat scarce… not to say: had ceased. Well, the last months have brought some changes in my personal and professional life, so I have neglected posting Sankey diagrams. Since starting this blog in February 2007 (almost 15 years ago), I did over 660 posts, or – in other words – showed you more than 660 Sankey diagrams. I did a last pos