time ever lived in human history

population.md

year	population (M)	time	pop.avg (M)	years lived (B)	total years lived (B)	% years lived
-190000	0
-50000	2	140000	1	140	140	6.45
-8000	5	42000	3.5	147	287	13.21
-7000	7	1000	6	6	293	13.49
-6000	14	1000	10.5	11	304	14
-5000	27	1000	20.5	21	325	14.96
-4000	50	1000	38.5	39	364	16.76
-3000	100	1000	75	75	439	20.21
-1000	100	2000	100	200	639	29.42
-500	150	500	125	63	702	32.32
-200	227	300	188.5	57	759	34.94
0	300	200	263.5	53	812	37.38
500	280	500	290	145	957	44.06
1000	400	500	340	170	1127	51.89
1100	450	100	425	43	1170	53.87
1200	450	100	450	45	1215	55.94
1200	500	0	475	0	1215	55.94
1300	500	100	500	50	1265	58.24
1400	500	100	500	50	1315	60.54
1500	600	100	550	55	1370	63.08
1600	600	100	600	60	1430	65.84
1650	500	50	550	28	1458	67.13
1700	660	50	580	29	1487	68.46
1750	795	50	727.5	36	1523	70.12
1800	1000	50	897.5	45	1568	72.19
1850	1265	50	1132.5	57	1625	74.82
1850	1265	0	1265	0	1625	74.82
1900	1656	50	1460.5	73	1698	78.18
1900	1656	0	1656	0	1698	78.18
1925	2000	25	1828	46	1744	80.29
1950	2499	25	2249.5	56	1800	82.87
2000	6149	50	4324	216	2016	92.82
2010	6986	10	6567.5	66	2082	95.86
2022	7963	12	7474.5	90	2172	100