<prompt> Translate the following text to EnglishKutaka Mahakama Kuu ya Pennsylvania kupitisha kiwango cha kupimwa cha masaa 50 ya ushiriki wa pro bono kwa kila mwanasheria, kwa mwaka, kama lengo la matarajio chini ya Mifumo ya Mfano wa Utendaji wa Kitaalamu.  <response>: -- Asking the Pennsylvania Supreme Court to adopt a measurable standard of 50 hours of pro bono participation per lawyer, per year as an aspirational goal under the Model Rules of Professional Conduct. 