No, I don't, nor do they they will prove accurate. They've explained their methodology... economic collapse resulting in mass emigration. They also say Western countries are cooking the economic books and producing fake stats.
If you care to check to quotes below, Trump did indeed say all of them.
"The unemployment numbers are fake." - Trump 2016.
"The Fed is being political keeping rates low." - Trump 2016.
"The economy is a big fat ugly bubble from low interest rates." - Trump 2016.
"The Fed should keep rates low to help me out." - Trump 2018.
"The economy is the best in history." - Trump 2018.
"The unemployment numbers prove everything is great." - Trump 2018.
19 times Trump called jobs numbers ‘fake’ before they made him look good: https://www.washingtonpost.com/news/...=.a6ed0bcd388c