BPG致力于知识的发现和传播
Total Visits of This Article
2021 | 总访问次数
排名 国家/地区 数量 占比
1 China 461 51.1%
2 United States 185 20.5%
3 Netherlands 107 11.8%
4 France 49 5.4%
5 Germany 49 5.4%
6 Canada 16 1.8%
7 Korea, Republic of 10 1.1%
8 Turkey 6 0.7%
9 India 6 0.7%
10 Hong Kong 4 0.4%
11 Australia 3 0.3%
12 Taiwan 3 0.3%
13 Moldova, Republic of 2 0.2%
14 Chile 2 0.2%