EdgeOS Traffic Shaping Config

gistfile1.txt

traffic-policy {
    shaper download-policy {
        bandwidth 33mbit
        class 10 {
            bandwidth 5%
            burst 2.5k
            ceiling 30%
            match RTP {
                ip {
                    dscp 46
                }
            }
            match RTP-IPv6 {
                ipv6 {
                    dscp 46
                }
            }
            priority 7
            queue-limit 10
            queue-type fair-queue
        }
        class 20 {
            bandwidth 5%
            burst 2.5k
            match ICMP {
                ip {
                    protocol icmp
                }
            }
            match SIP {
                ip {
                    dscp 26
                }
            }
            match SIP-IPv6 {
                ipv6 {
                    dscp 26
                }
            }
            priority 4
            queue-limit 10
            queue-type fair-queue
        }
        class 30 {
            bandwidth 5%
            burst 1k
            ceiling 20%
            match ssh {
                ip {
                    destination {
                        port 22
                    }
                    dscp lowdelay
                    protocol tcp
                }
            }
            match ssh-ipv6 {
                ipv6 {
                    destination {
                        port 22
                    }
                    dscp lowdelay
                    protocol tcp
                }
            }
            priority 6
            queue-limit 10
            queue-type fair-queue
        }
        default {
            bandwidth 50%
            burst 15k
            ceiling 100%
            queue-type fair-queue
        }
    }
    shaper upload-policy {
        bandwidth 9mbit
        class 10 {
            bandwidth 5%
            burst 2.5k
            ceiling 30%
            match RTP {
                ip {
                    dscp 46
                }
            }
            match RTP-IPv6 {
                ipv6 {
                    dscp 46
                }
            }
            priority 7
            queue-limit 10
            queue-type fair-queue
        }
        class 20 {
            bandwidth 5%
            burst 2.5k
            match ICMP {
                ip {
                    protocol icmp
                }
            }
            match SIP {
                ip {
                    dscp 26
                }
            }
            match SIP-IPv6 {
                ipv6 {
                    dscp 26
                }
            }
            priority 4
            queue-limit 10
            queue-type fair-queue
        }
        class 30 {
            bandwidth 5%
            burst 1k
            ceiling 20%
            match ssh {
                ip {
                    destination {
                        port 22
                    }
                    dscp lowdelay
                    protocol tcp
                }
            }
            match ssh-ipv6 {
                ipv6 {
                    destination {
                        port 22
                    }
                    dscp lowdelay
                    protocol tcp
                }
            }
            priority 6
            queue-limit 10
            queue-type fair-queue
        }
        default {
            bandwidth 50%
            burst 15k
            ceiling 100%
            queue-type fair-queue
        }
    }
}

Why upload bandwidth so low?