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 473 51%
2 United States 183 19.7%
3 Netherlands 98 10.6%
4 Germany 64 6.9%
5 France 51 5.5%
6 Canada 25 2.7%
7 Turkey 8 0.9%
8 Hong Kong 7 0.8%
9 Korea, Republic of 6 0.6%
10 India 4 0.4%
11 Ireland 3 0.3%
12 Australia 2 0.2%
13 Bangladesh 1 0.1%
14 Moldova, Republic of 1 0.1%
15 Russia 1 0.1%