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 274 60.8%
2 United States 63 14%
3 Germany 36 8%
4 Taiwan 23 5.1%
5 Hong Kong 17 3.8%
6 Russia 5 1.1%
7 Sweden 4 0.9%
8 Ireland 4 0.9%
9 Japan 3 0.7%
10 Belgium 3 0.7%
11 Malaysia 3 0.7%
12 Australia 2 0.4%
13 Korea, Republic of 2 0.4%
14 Macao 2 0.4%
15 Saudi Arabia 2 0.4%
16 Singapore 2 0.4%
17 New Zealand 2 0.4%
18 Portugal 1 0.2%
19 Switzerland 1 0.2%
20 United Kingdom 1 0.2%
21 Netherlands 1 0.2%