{'field': 'Time', 'type': 'temporal'}
{'field': 'Region', 'type': 'nominal'}
{'field': 'Happiness Score', 'type': 'quantitative'}
{'field': 'Health', 'type': 'quantitative'}
{'field': 'Freedom', 'type': 'quantitative'}
{'field': 'Trust', 'type': 'quantitative'}
{'field': 'Economy', 'type': 'quantitative'}
Generate 20 vis, time last 1.123 s.

Cost:63.700

Cost:63.700

Cost:63.700

Cost:63.700

Cost:63.700

Cost:63.735

Cost:63.735

Cost:63.735

Cost:63.735

Cost:63.735

Cost:64.190

Cost:64.190

Cost:64.190

Cost:64.190

Cost:64.190

Cost:64.213

Cost:64.213

Cost:64.213

Cost:64.213

Cost:64.213