Historic oil on canvas, contemporary inserts, lacquered wood, stainless steel.

Public education spending in developed nations, as percentage of GDP (1880 - 2000).

1880 - 1.0% of GDP
1900 - 1.5% of GDP
1920 - 1.8% of GDP
1940 - 2.0% of GDP
1960 - 4.0% of GDP
1980 - 5.5% of GDP
2000 - 6.0% of GDP

(Source: Taxi & Schuknecht (2000))