BPG致力于知识的发现和传播
Total Visits of This Article
2022 | 总访问次数
排名 国家/地区 数量 占比
1 China 381 41%
2 United States 278 29.9%
3 Netherlands 182 19.6%
4 Germany 43 4.6%
5 Canada 16 1.7%
6 Taiwan 7 0.8%
7 Korea, Republic of 6 0.6%
8 Moldova, Republic of 4 0.4%
9 Russia 3 0.3%
10 Italy 3 0.3%
11 Hong Kong 2 0.2%
12 France 2 0.2%
13 Australia 1 0.1%
14 Turkey 1 0.1%