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 393 36.5%
2 United States 284 26.4%
3 Netherlands 167 15.5%
4 Germany 57 5.3%
5 Canada 25 2.3%
6 Hong Kong 21 2%
7 Malaysia 16 1.5%
8 Taiwan 14 1.3%
9 United Kingdom 12 1.1%
10 Russia 11 1%
11 Singapore 10 0.9%
12 France 8 0.7%
13 Australia 7 0.7%
14 Italy 7 0.7%
15 India 6 0.6%
16 New Zealand 5 0.5%
17 Norway 5 0.5%
18 Japan 4 0.4%
19 Korea, Republic of 4 0.4%
20 Tunisia 4 0.4%
21 Turkey 2 0.2%
22 Spain 2 0.2%
23 Switzerland 2 0.2%
24 Lithuania 2 0.2%
25 Macao 2 0.2%
26 Egypt 2 0.2%
27 1 0.1%
28 Luxembourg 1 0.1%
29 Sweden 1 0.1%
30 Ukraine 1 0.1%