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 199 46.6%
2 United States 101 23.7%
3 Germany 38 8.9%
4 Canada 16 3.7%
5 Taiwan 12 2.8%
6 Malaysia 9 2.1%
7 United Kingdom 8 1.9%
8 Netherlands 6 1.4%
9 Russia 5 1.2%
10 Hong Kong 5 1.2%
11 Kazakhstan 4 0.9%
12 Singapore 4 0.9%
13 New Zealand 3 0.7%
14 Sweden 3 0.7%
15 Spain 2 0.5%
16 Philippines 2 0.5%
17 Poland 2 0.5%
18 Macao 2 0.5%
19 Brazil 1 0.2%
20 Dominican Republic 1 0.2%
21 South Africa 1 0.2%
22 Pakistan 1 0.2%
23 Thailand 1 0.2%
24 Ukraine 1 0.2%