{'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 10 vis, time last 1.400 s.

Cost:17.530

Cost:17.530

Cost:17.530

Cost:17.530

Cost:17.530

Cost:17.540

Cost:17.540

Cost:17.540

Cost:17.540

Cost:17.540