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 244 52.6%
2 United States 141 30.4%
3 Germany 29 6.2%
4 Hong Kong 18 3.9%
5 Taiwan 6 1.3%
6 Japan 5 1.1%
7 Ireland 4 0.9%
8 Canada 3 0.6%
9 Australia 2 0.4%
10 Malaysia 2 0.4%
11 New Zealand 2 0.4%
12 Singapore 2 0.4%
13 Switzerland 1 0.2%
14 Turkey 1 0.2%
15 Viet Nam 1 0.2%
16 Moldova, Republic of 1 0.2%
17 Netherlands 1 0.2%
18 France 1 0.2%