How many possible code combinations are there for this kind of lock?

999
1000
9999
10000
The possible codes are from 0000 to 9999 inclusive. There are 10 possibilities for each ring, thus there are 10*10*10*10 possible codes.
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Answers by country

999
1000
9999
10000
answers
flagSwitzerland
2%
0%
14%
82%
35
flagFinland
0%
0%
21%
78%
14
flagBelgium
6%
6%
26%
60%
15
flagthe United Arab Emirates
0%
11%
29%
58%
17
flagGermany
6%
5%
29%
57%
221
flagUkraine
0%
9%
28%
57%
21
flagPoland
4%
6%
35%
52%
13666
flagUnknown
2%
5%
39%
52%
673
flagthe United States
6%
7%
33%
51%
238
flagRepublic of Ireland
6%
3%
38%
51%
31
flagthe United Kingdom
4%
6%
38%
50%
322
flagNorway
5%
2%
41%
50%
34
flagFrance
0%
12%
38%
48%
31
flagthe Netherlands
2%
10%
36%
47%
46
flagItaly
4%
0%
47%
47%
23
flagCanada
4%
4%
42%
47%
21
flagSweden
0%
4%
42%
47%
21
flagAustralia
0%
33%
19%
47%
21
flagIndia
7%
8%
40%
42%
84
flagthe Philippines
0%
13%
45%
40%
22