Legend (imagery/alxOrthoIndices)

Ortho Index 1998 (0) Ortho Index 2000 (1) Ortho Index 2001 (2) Ortho Index 2002 (3) Ortho Index 2004 (4) Ortho Index 2007 (5) Ortho Index 2009 (6) Ortho Index 2013 (7) Ortho Index 2014 (8) Ortho Index 2015 (9) Ortho Index 2016 (10) Ortho Index 2017 (11) Ortho Index 2019 (12) Ortho Index 2021 (13)