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 United States 232 44.4%
2 China 192 36.7%
3 Germany 38 7.3%
4 Canada 14 2.7%
5 Hong Kong 9 1.7%
6 Taiwan 8 1.5%
7 Singapore 7 1.3%
8 Japan 7 1.3%
9 Morocco 4 0.8%
10 Netherlands 4 0.8%
11 Malaysia 3 0.6%
12 Macao 2 0.4%
13 Moldova, Republic of 1 0.2%
14 France 1 0.2%
15 Turkey 1 0.2%