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 370 68.9%
2 United States 75 14%
3 Germany 36 6.7%
4 Canada 13 2.4%
5 Hong Kong 9 1.7%
6 Russia 4 0.7%
7 Singapore 3 0.6%
8 Taiwan 3 0.6%
9 Ukraine 3 0.6%
10 France 3 0.6%
11 United Kingdom 2 0.4%
12 Czech Republic 2 0.4%
13 Australia 2 0.4%
14 Bulgaria 2 0.4%
15 Ireland 2 0.4%
16 Japan 2 0.4%
17 Macao 2 0.4%
18 Malaysia 2 0.4%
19 Moldova, Republic of 1 0.2%
20 New Zealand 1 0.2%