<salesdata att1="foo" att2="bar">
<year att1="foo" att2="bar">
<year att1="foo" att2="bar">
1997
</year>
<region att3="baz" att4="quux">
<name att1="foo" att2="bar" att3="baz" att4="quux">
west
</name>
<sales att1="foo" att2="bar" att3="baz" att4="quux">
32
</sales>
</region>
<region att3="baz" att4="quux">
<name att1="foo" att2="bar" att3="baz" att4="quux">
central
</name>
<sales att1="foo" att2="bar" att3="baz" att4="quux">
11
</sales>
</region>
<region att3="baz" att4="quux">
<name att1="foo" att2="bar" att3="baz" att4="quux">
east
</name>
<sales att1="foo" att2="bar" att3="baz" att4="quux">
19
</sales>
</region>
</year>
<year att1="foo" att2="bar">
<year att1="foo" att2="bar">
1998
</year>
<region att3="baz" att4="quux">
<name att1="foo" att2="bar" att3="baz" att4="quux">
west
</name>
<sales att1="foo" att2="bar" att3="baz" att4="quux">
35
</sales>
</region>
<region att3="baz" att4="quux">
<name att1="foo" att2="bar" att3="baz" att4="quux">
central
</name>
<sales att1="foo" att2="bar" att3="baz" att4="quux">
12
</sales>
</region>
<region att3="baz" att4="quux">
<name att1="foo" att2="bar" att3="baz" att4="quux">
east
</name>
<sales att1="foo" att2="bar" att3="baz" att4="quux">
25
</sales>
</region>
</year>
<year att1="foo" att2="bar">
<year att1="foo" att2="bar">
1999
</year>
<region att3="baz" att4="quux">
<name att1="foo" att2="bar" att3="baz" att4="quux">
west
</name>
<sales att1="foo" att2="bar" att3="baz" att4="quux">
36
</sales>
</region>
<region att3="baz" att4="quux">
<name att1="foo" att2="bar" att3="baz" att4="quux">
central
</name>
<sales att1="foo" att2="bar" att3="baz" att4="quux">
12
</sales>
</region>
<region att3="baz" att4="quux">
<name att1="foo" att2="bar" att3="baz" att4="quux">
east
</name>
<sales att1="foo" att2="bar" att3="baz" att4="quux">
31
</sales>
</region>
</year>
<year att1="foo" att2="bar">
<year att1="foo" att2="bar">
2000
</year>
<region att3="baz" att4="quux">
<name att1="foo" att2="bar" att3="baz" att4="quux">
west
</name>
<sales att1="foo" att2="bar" att3="baz" att4="quux">
37
</sales>
</region>
<region att3="baz" att4="quux">
<name att1="foo" att2="bar" att3="baz" att4="quux">
central
</name>
<sales att1="foo" att2="bar" att3="baz" att4="quux">
11
</sales>
</region>
<region att3="baz" att4="quux">
<name att1="foo" att2="bar" att3="baz" att4="quux">
east
</name>
<sales att1="foo" att2="bar" att3="baz" att4="quux">
40
</sales>
</region>
</year>
</salesdata>