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 546 54.2%
2 United States 160 15.9%
3 Netherlands 98 9.7%
4 Germany 43 4.3%
5 Russia 36 3.6%
6 Canada 25 2.5%
7 Malaysia 17 1.7%
8 Korea, Republic of 15 1.5%
9 Hong Kong 11 1.1%
10 Australia 7 0.7%
11 Saudi Arabia 6 0.6%
12 Taiwan 6 0.6%
13 United Kingdom 5 0.5%
14 Japan 5 0.5%
15 France 4 0.4%
16 India 3 0.3%
17 Philippines 3 0.3%
18 Singapore 2 0.2%
19 Slovakia 2 0.2%
20 Spain 2 0.2%
21 Croatia 2 0.2%
22 Kazakhstan 2 0.2%
23 New Zealand 1 0.1%
24 North Macedonia 1 0.1%
25 Norway 1 0.1%
26 Italy 1 0.1%
27 Turkey 1 0.1%
28 Ukraine 1 0.1%
29 United Arab Emirates 1 0.1%
30 Portugal 1 0.1%