From what I uploaded over the last few days here are the clients that people used.

At 12 GBytes.

BearShare 65.12%
LimeWire 18.54%
Gnucleus 5.57%
MyNapster 4.22%
Gnotella 4.03%
PHEX 1.91%
Other* 0.61%

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At 18.5 GBytes.

BearShare 60.54%
LimeWire 18.98%
Gnotella 9.90%
Gnucleus 5.37%
MyNapster 2.90%
PHEX 1.26%
Other* 1.05%

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At 24.6 GBytes uploaded and 10,900 Files uploaded.

BearShare 64.92%
LimeWire 17.37%
Gnotella 8.47%
Gnucleus 4.83%
MyNapster 2.52%
Other* 0.95%
PHEX 0.94%

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At:
35 GBytes uploaded
14,329 Files uploaded
3,719 Unique IP addresses uploaded to

BearShare 61.58%
LimeWire 21.67%
Gnotella 7.92%
Gnucleus 4.42%
MyNapster 2.35%
Other* 1.17%
PHEX 0.89%

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At:
49 GBytes uploaded
18,124 Files uploaded
4,667 Unique IP addresses uploaded to

BearShare 62.12%
LimeWire 17.17%
Gnucleus 11.89%
Gnotella 5.72%
MyNapster 1.69%
Other* 0.84%
PHEX 0.57%

*clients unable to identify