http://www.nla.gov.au/ has been crawled 821 times going all the way back to October 19, 1996.

A crawl can be a duplicate of the last one. It happens about 25% of the time across 420,000,000 websites. FAQ
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January 10, 2011

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January 26, 2011

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February 6, 2011

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February 7, 2011

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February 11, 2011

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February 17, 2011

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February 19, 2011

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February 25, 2011

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March 1, 2011

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March 2, 2011

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March 5, 2011

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March 8, 2011

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March 10, 2011

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March 23, 2011

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Apr
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April 23, 2011

1 snapshot

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April 26, 2011

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May
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May 14, 2011

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May 25, 2011

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June 4, 2011

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June 14, 2011

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June 15, 2011

2 snapshots

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June 29, 2011

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July 6, 2011

1 snapshot

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July 14, 2011

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Aug
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Sep
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Oct
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Nov
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Note

This calendar view maps the number of times http://www.nla.gov.au/ was crawled by the Wayback Machine, not how many times the site was actually updated. More info in the FAQ.