Table 3

Qualitative groupings of patterns observed in figure 3

Rapid improversSteady improversStationary improvers
3, 4, 5, 7, 8, 14, 15, 17, 21, 27, 29, 311, 2, 6, 10, 11, 12, 16, 19, 20, 22, 23, 24, 25, 28, 30, 329, 13, 18, 26, 33