[ImTouchk]

hello all, im getting an in-game error, when i try to talk on /f for example, i get the latest string instead of ranks these are my codes:

Code:

stock GetPDRank(playerid)
{
	new ranks = PlayerInfo[playerid][pRank];
	new rankname[37];
	switch(ranks)
	{
		case 1: rankname = "Chief of Police";
		case 2: rankname = "Assistant Chief of Police";
		case 3: rankname = "Deputy Chief of Police";
		case 4: rankname = "Lieutenant";
		case 5: rankname = "Captain";
		case 6: rankname = "Commander";
		case 7: rankname = "Police Sergeant II";
		case 8: rankname = "Police Sergeant I";
		case 9: rankname = "Detective III";
		case 10: rankname = "Detective II";
		case 11: rankname = "Detective I";
		case 12: rankname = "LIO/SLO";
		case 13: rankname = "Police Officer III";
		case 14: rankname = "Police Officer II";
		case 15: rankname = "Polife Officer I";
		case 16: rankname = "Academy Student";
		case 17: rankname = "Suspended Officer";
	}
	return 1;
}
stock GetEMSRank(playerid)
{
	new ranks = PlayerInfo[playerid][pRank];
	new rankname[37];
	switch(ranks)
	{
		case 1: rankname = "Fire Comissioner";
		case 2: rankname = "Deputy Commissioner";
		case 3: rankname = "Bureau Chief";
		case 4: rankname = "Battalion Chief";
		case 5: rankname = "Captain";
		case 6: rankname = "Chief of Medicine";
		case 7: rankname = "Lieutenant";
		case 8: rankname = "Attending Physician";
		case 9: rankname = "Lead Paramedic";
		case 10: rankname = "Paramedic";
		case 11: rankname = "EMT";
		case 12: rankname = "First Responder";
		case 13: rankname = "Firefighter II";
		case 14: rankname = "Firefighter I";
		case 15: rankname = "P. Firefighter";
		case 16: rankname = "Academy Student";
		case 17: rankname = "Suspended Medic";
	}
	return 1;
}
stock GetGOVRank(playerid)
{
	new ranks = PlayerInfo[playerid][pRank];
	new rankname[37];
	switch(ranks)
	{
		case 1: rankname = "Mayor";
		case 2: rankname = "Deputy Mayor";
		case 3: rankname = "City Controller";
		case 4: rankname = "Municipal Manager";
		case 5: rankname = "Secretary";
		case 6: rankname = "Justice Chief";
		case 7: rankname = "Chief of Licensing";
		case 8: rankname = "Chief of Security";
		case 9: rankname = "Judge";
		case 10: rankname = "Lawyer";
		case 11: rankname = "Welfare Officer";
		case 12: rankname = "Inspector";
		case 13: rankname = "Security Agent";
		case 14: rankname = "Suspended";
	}
	return 1;
}
stock GetNEWSRank(playerid)
{
	new ranks = PlayerInfo[playerid][pRank];
	new rankname[37];
	switch(ranks)
	{
		case 1: rankname = "Director";
		case 2: rankname = "Vice-Director";
		case 3: rankname = "Assistant Vice-Director";
		case 4: rankname = "Journalist";
		case 5: rankname = "Editor";
		case 6: rankname = "Newspaper Boy";
	}
	return 1;
}
stock GetLSARank(playerid)
{
	new ranks = PlayerInfo[playerid][pRank];
	new rankname[37];
	switch(ranks)
	{
		case 1: rankname = "Director";
		case 2: rankname = "Vice-Director";
		case 3: rankname = "Mecanic Profesionist";
		case 4: rankname = "Mecanic Adjunct";
		case 5: rankname = "Mecanic";
		case 6: rankname = "Mecanic in Probe";
		case 7: rankname = "Suspended Mechanic";
	}
	return 1;
}

what is wrong and how i can resolve? thanks